NKG-4 220V 5A Automatic Factory School Bell Timing Switch Controller 40 Groups Timer Time Switch Relay

Specification
Model:NKG-4
Internal power:Built-in battery, no need to replace
Working mode:Manual, Automatic switch
Programmable number:40
Ring time adjustment:1 second -99 seconds
Time control range:1min-168h
Timing error:≤1 second/day
Output mode:A set of transformations
Contact capacity:Ue/Le:ac-15 220V/3ALth:16A
Electrical life:100,000 times
Mechanical life:300,000 times
Ambient temperature:-10 ° C to 45 ° C
Power:≤2W
Installation:Device type, Guide rail type
Scope of application
–NKG-4 time control bell ringing instrument is mainly used for ac 50Hz, rated control power supply voltage to 220V and below as a time control element in the circuit, according to the predetermined procedure to open or tear the circuit used. For example:automatic control of school bell time
Package Included
1 x Timing control switch

Additional information